Bass Reflex Tubes

Bass Reflex, standard

This bass reflex tube with press-to-fit is made of 0.8 to 2.0 mm ABS, depending on length. With the exception of BR30/63 all tubes narrow towards the inside of the cabinet.

Type	BR30/63	BR50/145	BR50/49	BR70/185	BR100/145
order no.	I-7010	I-7015	I-7015-49	I-7020	I-7008
overall diameter	42 mm	57 mm	64 mm	85 mm	117 mm
cut-out diameter	34.5 mm	48 mm	52 mm	72 mm	105 mm
tube length	63 mm	147 mm	49 mm	185 mm	145 mm
inner diameter (narrowing)	32 mm	44-36 mm	50-46 mm	70-61 mm	100-92 mm
price	EUR 1,10 excl. VAT: € 0.92 / $ 1.05	EUR 1,20 excl. VAT: € 1.01 / $ 1.15	EUR 0,60 excl. VAT: € 0.50 / $ 0.57	EUR 2,60 excl. VAT: € 2.18 / $ 2.49	EUR 3,90 excl. VAT: € 3.28 / $ 3.74

High Power

High Power possesses a wide rim with sealing surround, enabling a firm and airtight fitting. The tube narrows toward the inside of the cabinet. It is made of 2 mm black ABS. An precise cut-out is mandatory.

Type	HP 35	HP 50	HP 70	HP 100
order no.	str-hp35	str-hp50	str-hp70	str-hp100
overall diameter	51 mm	72 mm	101 mm	143 mm
cut-out diameter	49 mm	69 mm	97 mm	138 mm
tube length	123 mm	143 mm	220 mm	197 mm
inner diameter (narrowing)	35-29 mm	50-44 mm	70-61 mm	100-92 mm
price	EUR 1,70 excl. VAT: € 1.43 / $ 1.63	EUR 1,80 excl. VAT: € 1.51 / $ 1.72	EUR 2,50 excl. VAT: € 2.10 / $ 2.39	EUR 5,50 excl. VAT: € 4.62 / $ 5.27

High Power in blue and yellow

Type	HP 100/142 yellow	HP 100/142 blue	HP 70 blue green	HP 70-215 silver	HP 70-115 silver
order no.	str-hp100-ge	str-hp100-bl	str-hp70-bg	str-hp70-215-si	str-hp70-115-si
color	daffodil yellow	perl night blue	blue green	silver	silver
RAL color chart	RAL 1007	RAL 5026	?	(RAL 9022)	(RAL 9022)
overall diameter	143 mm	143 mm	101 mm	101 mm	101 mm
cut-out diameter	138 mm	138 mm	97 mm	97 mm	97 mm
tube length	142 mm	142 mm	163 mm	215 mm	115 mm
inner diameter (narrowing)	100-93 mm	100-93 mm	71-61 mm	71-58 mm	71-63 mm
price	EUR 4,50 excl. VAT: € 3.78 / $ 4.31	EUR 4,50 excl. VAT: € 3.78 / $ 4.31	EUR 4,10 excl. VAT: € 3.45 / $ 3.93	- not available	- not available

Flared Port

The flared port tube is made of 1.5 mm black ABS. The tube narrows towards the inside of the cabinet. The port flares considerably at the entry allowing manual tuning of resonators or other port types. The tube is of high quality and suited for DIY (the cut-out doesn't need to be absolutely accurate). Just cut the tube to the required length.

Type	TR44	TR50	TR60	TR61	TR76	TR106
order no.	str-tr44	str-tr50	str-tr60	str-tr61	str-tr76	str-tr106
overall diameter	75 mm	85 mm	100 mm	100 mm	110 mm	159 mm
cut-out diameter	65 mm	72 mm	85.5 mm	85.5 mm	96.5 mm	144 mm
tube length	110 mm	130 mm	120 mm	185 mm	155 mm	101 mm
inner diameter behind flared port	44-39 mm	49.7-45.5 mm	60-58 mm	61-56 mm	76-70 mm	106-102 mm
price	EUR 1,70 excl. VAT: € 1.43 / $ 1.63	EUR 1,90 excl. VAT: € 1.60 / $ 1.82	EUR 2,00 excl. VAT: € 1.68 / $ 1.92	EUR 2,30 excl. VAT: € 1.93 / $ 2.20	EUR 2,50 excl. VAT: € 2.10 / $ 2.39	EUR 2,80 excl. VAT: € 2.35 / $ 2.68

Flared Port short

Type	TR50 short
order no.	str-tr50-kurz
overall diameter	71 mm
cut-out diameter	67 mm
tube length	50 mm
inner diameter behind flared port	47-49 mm
price	EUR 0,85 excl. VAT: € 0.71 / $ 0.81

Jetline

The Jetline is made of 1.5 mm black ABS. The tube flares on both sides, thus not having any sharp edges for smooth air stream. The disadvantage is that the tube cannot be shortened for tuning. The tube is of high quality and suited for DIY (the cut-out doesn't need to be absolutely accurate).

Type	Jetline 45	Jetline 60	Jetline 72
order no.	I-7003	I-7004	I-7006
overall diameter	75 mm	100 mm	120 mm
cut-out diameter	65 mm	87 mm	104 mm
tube length	141 mm	141 mm	141 mm
inner diameter behind flared port	45-39 mm	60-54 mm	72-67 mm
price	EUR 3,90 excl. VAT: € 3.28 / $ 3.74	EUR 4,80 excl. VAT: € 4.03 / $ 4.60	EUR 5,00 excl. VAT: € 4.20 / $ 4.79

Varioflex

Variable bass reflex tube possesses a wide rim . It is made of black ABS and its tube length is adjustable. The tube possesses a flange with 4 screw holes.

Type	BR 50V	BR 70V	BR 100V
order no.	I-6997	I-6998	I-6999
overall diameter	80 mm	96 mm	145 mm
cut-out diameter	60 mm	76 mm	121 mm
tube length	150-290 mm	138-250 mm	140-270 mm
inner diameter	50 mm	66 mm	110 mm
material thickness	2.5 mm	2.5 mm	3.0 mm
price	EUR 12,10 excl. VAT: € 10.17 / $ 11.59	EUR 9,80 excl. VAT: € 8.24 / $ 9.39	EUR 12,50 excl. VAT: € 10.50 / $ 11.97

Please note: The Monacor MBR-110 is equivalent to Intertechnik's I-6999.

Visaton BR25.50

Variable 3 part Bass reflex tube that can be shortened

for 97 mm cut-out
with 50 cm2 opening (80 mm diameter)
25 cm length (can be shortened to 20 cm).

Price per unit (Order No. "V-5216") EUR 21,42 excl. VAT: € 18.00 / $ 20.52

Jet Set

Initially we thought the Jet Set to be a very expensive toy. Meanwhile the tube's features proofed us wrong. Jet Set is a flexible bass reflex tube system consisting of three parts. Flared ports on both ends and middle part that is variable in length. The tube needs to be attached to the cabinet with six screws.

Type	JET SET 70	JET SET 100
overall diameter	145 mm	180 mm
cut-out diameter	117 mm	149 mm
maximum total length	352 mm	452 mm
minimum total length	105 mm	105 mm
inner diameter	70 mm	100 mm
price outer flared port	EUR 7,70 excl. VAT: € 6.47 / $ 7.38	EUR 7,90 excl. VAT: € 6.64 / $ 7.57
price middle part	EUR 10,90 excl. VAT: € 9.16 / $ 10.44	EUR 13,20 excl. VAT: € 11.09 / $ 12.65
price inner flared port	EUR 5,20 excl. VAT: € 4.37 / $ 4.98	EUR 5,10 excl. VAT: € 4.29 / $ 4.89
price 90 deg angle	EUR 10,90 excl. VAT: € 9.16 / $ 10.44	EUR 12,30 excl. VAT: € 10.34 / $ 11.78